Teton County, Idaho

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Teton County, Idaho
Teton County Courthouse, Driggs, Idaho.jpg
Teton County Courthouse, Driggs, Idaho
Seal of Teton County, Idaho
Map of Idaho highlighting Teton County
Location in the state of Idaho
Map of the United States highlighting Idaho
Idaho's location in the U.S.
Founded January 26, 1915
Named for The Teton Mountains
Seat Driggs
Largest city Victor
 • Total 451 sq mi (1,168 km2)
 • Land 450 sq mi (1,165 km2)
 • Water 0 sq mi (0 km2), 0.05%
 • (2010) 10,170
 • Density auto/sq mi (auto/km²)
Congressional district 2nd
Time zone Mountain: UTC-7/-6
Website tetoncountyidaho.gov

Teton County is a county located in the U.S. state of Idaho. Established in 1915, it was named after the Teton Mountains to the east.[1] The county had a population of 10,170 at the 2010 Census, up from 5,999 in 2000.[2] The county seat is Driggs, formerly the county's largest city,[3] recently overtaken by Victor.

Teton County is part of the Jackson, WY-ID Micropolitan Statistical Area.

The Teton Valley was discovered by John Colter in 1808, a member of the Lewis and Clark Expedition (1804–06). It became known as Pierre's Hole, and it hosted the well-attended 1832 Rendezvous, which was followed by the Battle of Pierre's Hole.


According to the 2000 census, the county has a total area of 450.57 square miles (1,167.0 km2), of which 450.36 square miles (1,166.4 km2) (or 99.95%) is land and 0.21 square miles (0.54 km2) (or 0.05%) is water.[4]

Adjacent counties[edit]

Teton County in Idaho and Wyoming are two of twenty-two counties or parishes in the United States with the same name to border each other across state lines. The others are Union Parish, Louisiana and Union County, Arkansas, Big Horn County, Montana and Big Horn County, Wyoming, Sabine County, Texas and Sabine Parish, Louisiana, Bristol County, Massachusetts and Bristol County, Rhode Island, Kent County, Delaware and Kent County, Maryland, Escambia County, Alabama and Escambia County, Florida, and Pike County, Illinois and Pike County, Missouri, Park County, Montana and Park County, Wyoming, San Juan County, New Mexico and San Juan County, Utah, and Vermilion County, Illinois and Vermillion County, Indiana. respectively. (Note, despite the different spellings, the source of the name is the same for Vermilion County, Illinois and Vermillion County, Indiana—the Vermillion River which flows through both counties.)

National protected area[edit]



Historical population
Census Pop.
1920 3,921
1930 3,573 −8.9%
1940 3,601 0.8%
1950 3,204 −11.0%
1960 2,639 −17.6%
1970 2,351 −10.9%
1980 2,897 23.2%
1990 3,439 18.7%
2000 5,999 74.4%
2010 10,170 69.5%
Est. 2012 10,052 −1.2%
U.S. Decennial Census[5]
2012 Estimate[6]

As of the census[7] of 2000, there were 5,999 people, 2,078 households, and 1,464 families residing in the county. The population density was 13 people per square mile (5/km²). There were 2,632 housing units at an average density of 6 per square mile (2/km²). The racial makeup of the county was 91.32% White, 0.17% Black or African American, 0.55% Native American, 0.18% Asian, 0.23% Pacific Islander, 6.73% from other races, and 0.82% from two or more races. 11.75% of the population were Hispanic or Latino of any race. 25.5% were of English, 15.8% German, 7.6% American and 5.1% Irish ancestry according to Census 2000.

There were 2,078 households out of which 39.70% had children under the age of 18 living with them, 60.30% were married couples living together, 5.80% had a female householder with no husband present, and 29.50% were non-families. 21.30% of all households were made up of individuals and 5.30% had someone living alone who was 65 years of age or older. The average household size was 2.87 and the average family size was 3.43.

In the county the population was spread out with 31.80% under the age of 18, 8.10% from 18 to 24, 33.80% from 25 to 44, 18.90% from 45 to 64, and 7.50% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 112.70 males. For every 100 females age 18 and over, there were 114.50 males.

The median income for a household in the county was $41,968, and the median income for a family was $45,848. Males had a median income of $32,309 versus $22,243 for females. The per capita income for the county was $17,778. About 9.70% of families and 12.90% of the population were below the poverty line, including 18.10% of those under age 18 and 7.90% of those age 65 or over.

Government and politics[edit]

Similar to other Idaho counties, an elected three-member county commission heads the county government. Other elected officials include clerk, treasurer, sheriff, assessor, coroner, and prosecutor.[8]

Until quite recently Teton County voted Republican along with most other Eastern Idaho counties. However, since 2004 the county has strongly trended towards the Democratic Party. In 2008 it was one of three Idaho counties to vote for Barack Obama in the 2008 presidential election[9] despite giving George W. Bush a 23-point victory only four years earlier.[10]

At the state level Teton County is located in District 31 of the Idaho Legislature.[11] As counties neighboring Teton County are still strongly Republican, Republicans currently control the district.[12]


Name Population
Driggs 1,660 1,100 846 6,109 ft (1,862 m)
Tetonia 269 247 132 6,047 ft (1,843 m)
Victor 1,928 840 292 6,214 ft (1,894 m)


The public schools are operated by Teton School District #401, led by the county's only traditional high school, Teton High School, in Driggs.

See also[edit]


  1. ^ "Teton County". State of Idaho. Retrieved 2009-05-29. 
  2. ^ US Census QuickFacts Teton County, ID, accessed 24 Jun 2012
  3. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  4. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13. 
  5. ^ "U.S. Decennial Census". Census.gov. Retrieved July 25, 2013. 
  6. ^ "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Census.gov. Retrieved July 25, 2013. 
  7. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  8. ^ Teton County Idaho
  9. ^ 2008 - General Election Teton County
  10. ^ 2004 Presidential General Election Data Graphs - Idaho
  11. ^ Idaho Legislative District Map
  12. ^ Idaho Legislative Districts

External links[edit]

Coordinates: 43°45′N 111°13′W / 43.75°N 111.21°W / 43.75; -111.21